Some people get flu all the time, some almost never. What is the explanation for that?

There is no sure answer to this dilemma, but scientists surely got closer to this. In order to find the desired info, the scientists infected 17 persons with the flu virus and surprisingly, only eight of them got the flu. A possible answer to this dilemma is that those who drink a lot of natural juices and eat a lot of fresh products, have much stronger immune system. Finally, the recommended thing is to do our best to have a stronger organism, in order to keep ourselves away from any diseases Original here